ClickHouse/tests/config/executable_dictionary.xml

<dictionaries>

<dictionary>
    <name>executable_complex</name>
    <source>
        <executable>
            <format>JSONEachRow</format>
            <command>cd /; clickhouse-local --input-format JSONEachRow --output-format JSONEachRow --structure 'x UInt64, y UInt64' --query "SELECT x, y, x + y AS a, x * y AS b FROM table"</command>
        </executable>
    </source>
    <lifetime>0</lifetime>
    <layout>
        <complex_key_cache>
            <size_in_cells>1000</size_in_cells>
        </complex_key_cache>
    </layout>
    <structure>
        <key>
            <attribute>
                <name>x</name>
                <type>UInt64</type>
            </attribute>
            <attribute>
                <name>y</name>
                <type>UInt64</type>
            </attribute>
        </key>
        <attribute>
            <name>a</name>
            <type>UInt64</type>
            <null_value>0</null_value>
        </attribute>
        <attribute>
            <name>b</name>
            <type>UInt64</type>
            <null_value>0</null_value>
        </attribute>
    </structure>
</dictionary>

<dictionary>
    <name>executable_simple</name>
    <source>
        <executable>
            <format>JSONEachRow</format>
            <command>cd /; clickhouse-local --input-format JSONEachRow --output-format JSONEachRow --structure 'x UInt64' --query "SELECT x, x + x AS a, x * x AS b FROM table"</command>
        </executable>
    </source>
    <lifetime>0</lifetime>
    <layout>
        <cache>
            <size_in_cells>1000</size_in_cells>
        </cache>
    </layout>
    <structure>
        <id>
            <name>x</name>
        </id>
        <attribute>
            <name>a</name>
            <type>UInt64</type>
            <null_value>0</null_value>
        </attribute>
        <attribute>
            <name>b</name>
            <type>UInt64</type>
            <null_value>0</null_value>
        </attribute>
    </structure>
</dictionary>

<dictionary>
    <name>executable_complex_direct</name>
    <source>
        <executable>
            <format>JSONEachRow</format>
            <command>cd /; clickhouse-local --input-format JSONEachRow --output-format JSONEachRow --structure 'x UInt64, y UInt64' --query "SELECT x, y, x + y AS a, x * y AS b FROM table"</command>
        </executable>
    </source>
    <lifetime>0</lifetime>
    <layout>
        <complex_key_direct />
    </layout>
    <structure>
        <key>
            <attribute>
                <name>x</name>
                <type>UInt64</type>
            </attribute>
            <attribute>
                <name>y</name>
                <type>UInt64</type>
            </attribute>
        </key>
        <attribute>
            <name>a</name>
            <type>UInt64</type>
            <null_value>0</null_value>
        </attribute>
        <attribute>
            <name>b</name>
            <type>UInt64</type>
            <null_value>0</null_value>
        </attribute>
    </structure>
</dictionary>

</dictionaries>